diff --git a/packages/babel-plugin-check-es2015-constants/README.md b/packages/babel-plugin-check-es2015-constants/README.md
index ee85b823e7..608891b3d2 100644
--- a/packages/babel-plugin-check-es2015-constants/README.md
+++ b/packages/babel-plugin-check-es2015-constants/README.md
@@ -56,4 +56,4 @@ require("babel-core").transform("code", {
 
 ## Note
 
-This check will only validate consts. If you need it to compile down to `var` then you must also install and enable [`transform-es2015-block-scoping`](../babel-plugin-transform-es2015-block-scoping).
+This check will only validate consts. If you need it to compile down to `var` then you must also install and enable [`transform-es2015-block-scoping`](http://babeljs.io/docs/plugins/transform-es2015-block-scoping/).
diff --git a/packages/babel-plugin-transform-es2015-modules-umd/README.md b/packages/babel-plugin-transform-es2015-modules-umd/README.md
index 31fc415480..fe32773781 100644
--- a/packages/babel-plugin-transform-es2015-modules-umd/README.md
+++ b/packages/babel-plugin-transform-es2015-modules-umd/README.md
@@ -110,7 +110,7 @@ factory(global.fooBAR, global.fooBAR);
 because again the transform is only using the basename of the import.
 
 _Second_, the specified override will still be passed to the `toIdentifier`
-function in [babel-types/src/converters](../babel-types/src/converters.js).
+function in [babel-types/src/converters](https://github.com/babel/babel/blob/master/packages/babel-types/src/converters.js).
 This means that if you specify an override as a member expression like:
 
 ```json
diff --git a/packages/babel-plugin-transform-es2015-typeof-symbol/README.md b/packages/babel-plugin-transform-es2015-typeof-symbol/README.md
index 53b9236ab3..92a7d2d61c 100644
--- a/packages/babel-plugin-transform-es2015-typeof-symbol/README.md
+++ b/packages/babel-plugin-transform-es2015-typeof-symbol/README.md
@@ -1,6 +1,6 @@
 # babel-plugin-transform-es2015-typeof-symbol
 
-> ES6 introduces a new native type called [symbols](http://babeljs.io/docs/learn-es6#symbols). This transformer wraps all `typeof` expressions with a method that replicates native behaviour. (ie. returning "symbol" for symbols)
+> ES6 introduces a new native type called [symbols](https://babeljs.io/learn-es2015/#ecmascript-2015-features-symbols). This transformer wraps all `typeof` expressions with a method that replicates native behaviour. (ie. returning "symbol" for symbols)
 
 ## Example
 
diff --git a/packages/babel-register/README.md b/packages/babel-register/README.md
index 0abbe9b81f..2f05d6a7f7 100644
--- a/packages/babel-register/README.md
+++ b/packages/babel-register/README.md
@@ -25,7 +25,8 @@ and `.js` will be transformed by Babel.
 <blockquote class="babel-callout babel-callout-info">
   <h4>Polyfill not included</h4>
   <p>
-    You must include the <a href="/docs/usage/polyfill">polyfill</a> separately when using features that require it, like generators.
+    You must include the <a href="https://babeljs.io/docs/usage/polyfill/">polyfill</a> separately
+    when using features that require it, like generators.
   </p>
 </blockquote>
 
@@ -69,7 +70,9 @@ require("babel-register")({
 });
 ```
 
-You can pass in all other [options](/docs/usage/options/#options) as well, including `plugins` and `presets`. But note that the closest [`.babelrc`](/docs/usage/babelrc/) to each file still applies, and takes precedence over any options you pass in here.
+You can pass in all other [options](https://babeljs.io/docs/usage/api/#options) as well,
+including `plugins` and `presets`. But note that the closest [`.babelrc`](https://babeljs.io/docs/usage/babelrc/)
+to each file still applies, and takes precedence over any options you pass in here.
 
 ## Environment variables